CVE Exploitarium Next.js unstable_cache PoC Execution - next@canary Install & Marker File

Detects evidence of the execution of a proof-of-concept (PoC) exploit targeting Next.js unstable_cache functionality. The rule monitors for the installation of canary versions of Next.js, execution of the PoC demonstration script 'run_demo.mjs', and the creation of a 'VULNERABILITY_CONFIRMED.marker' file, which are specific indicators associated with the exploitarium repository PoC.